.yc-image {
  display: inline-block;
  box-sizing: border-box;
  text-align: center;
  overflow: hidden;
  color: #fff;
  background: $backgroundImage;
  width: 40px;
  height: 40px;
  line-height: 40px;
  font-size: 14px;
  > img {
    display: block;
    height: 100%;
    vertical-align: middle;
  }
  &--square {
    border-radius: 4px;
  }
  &--circle {
    border-radius: 50%;
  }
  &--medium {
    width: 36px;
    height: 36px;
    line-height: 36px;
  }
  &--small {
    width: 28px;
    height: 28px;
    line-height: 28px;
  }
}